Incorrect Authorization in GitLab
CVSS score
2.7
EPSS probability
—
Risk score
0.3
Published
17 h ago
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Impact on My Inventory
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Vulnerability description
CVE AI research
DayBreach AI Explanation
Verified against sourcesSources read
2
Source agreement
Tam uyum
Evidence confidence
%63
Short explanation
A vulnerability in GitLab CE/EE allows an authenticated user with maintainer-role permissions to remove certain package registry metadata restricted to higher roles due to improper authorization checks [S0].
This vulnerability compromises package integrity by allowing users with lower privileges to remove protected registry metadata that should be restricted to higher roles [S0].
What should be done?
- Follow vendor advisories and patch recommendations [S0]
Chain of evidence and sources
GitLab CE/EE sürümlerinde 17.6 ile 19.2.8, 19.3 ile 19.3.5 ve 19.4 ile 19.4.2 arasındaki sürümler etkilenmektedir [S0].
Maintainer rolündeki kullanıcılar, paket koruma kurallarıyla üst rollere kısıtlanmış paket kayıt defteri üst verilerini kaldırabilir [S0].
Show the technical text from the sources
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.6 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user with maintainer-role permissions to remove certain package registry metadata that package protection rules restrict to higher roles, due to improper authorization checks.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
CWE: CWE-863
Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-103549 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | gitlab | gitlab | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 2.7 | CVSS V3_1 | LOW | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N | CVE CNA |
| 2.7 | CVSS V31 | LOW | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N | NVD |
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-103549 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-103549 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
Similar Vulnerabilities
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Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
Get this vulnerability through the API
Affected products, version ranges, exploitation status and patch information in a single request, with a free key.
curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.daybreach.dev/api/v1/intel/cves/CVE-2026-103549"